81% (2000)

67% (2011)

70% (2001)

56% (2013)

71% (1992)

58% (2012)

72% (2004)

74% (1995)

58% (2009)

68% (2001)

77% (1988)

64% (2010)

77% (1998)

70% (2005)

56% (2017)

55% (2008)

68% (1999)

62% (2020)

63% (1987)

64% (2014)